Evidence map›Paper›PMID 33561734›Full record

ReviewCurrent opinion in microbiology2021

The assembly of β-barrel outer membrane proteins.

David Tomasek, Daniel Kahne

Open access · greenAbstract readReview
In one paragraph

Review in Current opinion in microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers.

0numbers the graph read from it
0cells of the map it votes in
65citing papers in PubMed
6.7field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

65 citing papers in PubMed, 99 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. A mechanism for substrate quality control in outer membrane protein assembly.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  8. Article
  9. Structures of folding intermediates on BAM show diverse substrates fold by a conserved mechanism.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  10. Article
  11. Liganded LolCDE structures reveal a common substrate-LolE interaction guiding bacterial lipoprotein transport.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Barrel expansion of outer membrane protein G nanopore through β-hairpin duplication.Protein science : a publication of the Protein Society · 2025
    Article

5 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

David TomasekDepartment of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA; Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA.
Daniel KahneDepartment of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA; Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA. Electronic address: kahne@chemistry.harvard.edu.
Harvard University · US

Funding

Outer Membrane Biogenesis: New Antibiotic TargetsR01AI081059 · NIAID · HARVARD UNIVERSITY · PI Daniel Kahne · 2009 to 2026
$9.5M
Studies Toward Hybrid Glycopeptide AntibioticsR01GM066174 · NIGMS · PRINCETON UNIVERSITY · PI KAHNE, DANIEL · 2002 to 2018
$8.9M
NIAID NIH HHS R01 AI081059NIGMS NIH HHS R01 GM066174
6 · The paper itself

Abstract

The outer membranes of Gram-negative bacteria, mitochondria, and chloroplasts contain β-barrel integral membrane proteins. In bacteria, the five-protein β-barrel assembly machine (Bam) accelerates the folding and membrane integration of these proteins. The central component of the machine, BamA, contains a β-barrel domain that can adopt a lateral-open state with its N-terminal and C-terminal β-strands unpaired. Recently, strategies have been developed to capture β-barrel folding intermediates on the Bam complex. Biochemical and structural studies provide support for a model in which substrates assemble at the lateral opening of BamA. In this model, the N-terminal β-strand of BamA captures the C-terminal β-strand of substrates by hydrogen bonding to allow their directional folding and subsequent release into the membrane.

Indexed as

Escherichia coli ProteinsBacterial Outer Membrane ProteinsEscherichia coliGram-Negative BacteriaProtein FoldingBacterial Outer Membrane ProteinsBamA protein, E coliEscherichia coli Proteins

Identifiers

PMID33561734
PMCPMC7988294
OpenAlexW3127322550

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.